Some states award delegates to candidates on a winner-take-all basis, meaning that the candidate with the most votes in a state is awarded all of that state's delegates. Other states award delegates in proportion to each candidate's share of the primary vote.
Provocative angiography involves a full diagnostic angiogram followed by administration of intra-arterial procoagulant agents to identify an occult bleeding source in patients who have normal test results after lower gastrointestinal bleeding.
Coronary angiography, more commonly called cardiac catheterization, is a definitive test for coronary artery disease (CAD). CAD is a condition where the blood vessels to the heart lose their elasticity and become narrowed by atheroslerotic deposits of plaque.